Cos 270 = 0 and sin 270 =-1
so -5i from a part.
Answer: five
Step-by-step explanation:
Answer:
No,the ray AB and BA are not same because the ray AB denotes the ray(light) is coming from the direction through A while the ray BA denotes the ray is coming from the direction through B.
I always do things differently than I am taught, so here is how I do it...I divide 120 by 100, then I multiply it by 80(because you are finding 80%) I got 96,
Another way to do it is... Divide .8 by 120, the answer is also 96.
Good Luck! Hope I helped:)